This type of fan is commonly used on condenser motors because it moves high volumes of air in low static conditions:
A) Backward-curved centrifugal B) Tube axial
C) Propeller D) Forward-curved centrifugal
C
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Periodic cleaning is required on the _______________.
a. stack b. burner fuel lines c. bridgewall d. shock bank
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Special wells are often drilled in the center of the irrigation area to save costs
Indicate whether the statement is true or false.
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The shock that results from walking across a carpet and touching a doorknob is an example of a(n) _____ static charge.
A. nuisance B. useful
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The DOT-approved cylinder in which refrigerant may be recovered has a mechanism for shutting the recovery system off when it reaches approximately ____________________ full.
Fill in the blank(s) with the appropriate word(s).
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